3M Multimedia Projector Mp8740 Operators Manual

3M
ENGLISH
Section 8: Accessories 

© 3M 1999  3M
TECHNICAL
Technical Appendix
Table of Contents
Product name
Model Name
Display system
Panel size
Drive system
Number of pixels
Lens
Lamp
Speaker (stereo)
Power supply
Power consumption
Operating temperature range
Dimensions
Weight
video signal input
RGB input/output
Control terminal
A. 1     Technical Specifications
4  Note
All specifications a re subject to change without notice.
A.1 

3Mª Multimedia Projector MP8740© 3M 1999
TECHNICAL
A.2    Dimension
A.2 

© 3M 1999 3Mª Multimedia Projector MP8740
TECHNICAL
Minimum
ZoomMaximum
Zoom
DISTANCE 24 48 71 119 3672107178
Distance                Minimum Image               Maximum Image
To Screen Diagonal Width Height Diagonal Width Height
227 cm 102 cm 81 cm 61 cm 153 cm 122 cm 92 cm
(7.4 ft) (40 in.) (32 in.) (24 in.) (60 in.) (48 in.) (36 in.)
341 cm 152 cm 121 cm 91 cm 228 cm 183 cm 137 cm
(11.2 ft) (60 in.) (48 in.) (36 in.) (90 in.) (72 in.) (54 in.)
455 cm 202 cm 162 cm 121 cm 304 cm 243 cm 182 cm
(15 ft)...

3Mª Multimedia Projector MP8740© 3M 1999
TECHNICAL
A.5 Connection to the RGB Signal Terminal
Video signal
Horizontal sync signal
Vertical sync signal
Composite sync signal
Audio signalInput
OutputAnalog 0.7Vp-p 75 W termination (Positive polarity)
TTL level (Positive/negative polarity)
TTL level (Positive/negative polarity)
TTL level
200mVrms, 20k W below (MAX 3.0Vp-p)
0 ~ 200mVrms, 1k W
a) Input signal / Output signal
1
2
3
4
5
6
7
8Video signal (Red)
Video signal (Green)
Video signal (Blue)
No...

© 3M 1999 3Mª Multimedia Projector MP8740
TECHNICAL
A.5
Resolution HxV Refresh Rate Horizontal Standard Type Note Display
Frequency Dots HxV
640 x 350 70.1 Hz 31.5 kHz VGA-1 1024 x 560
640 x 400 56.4 Hz 24.8 kHz NEC PC9801 1024 x 640
640 x 400 70.1 Hz 31.5 kHz VGA-2 1024 x 640
640 x 480 85.0 Hz 43.3 kHz VESA 863 x 640
640 x 480 59.9 Hz 31.5 kHz VESA VGA-3 1024 x 768
640 x 480 66.7 Hz 35.0 kHz MAC 13 1024 x 768
640 x 480 72.8 Hz 37.9 kHz VESA 1024 x 768
640 x 480 75.0 Hz 37.5 kHz VESA 1024 x 768
800 x 600...

3Mª Multimedia Projector MP8740© 3M 1999
TECHNICAL
A.6    Indicator Status
The ON, LAMP and TEMP indicators will light or blink in the following cases:
ON indicator
LAMP indicator
TEMP indicator
Indicator status
Lights orange
Blinks green
Lights green
Blinks orange
Lights red
Blinks red
Lights red
Blinks redMeaning
Standby mode
During warming up
During operation
During cooling down
Lamp cannot light
Air filter open
Temperature inside too high
Cooling fan not operatingRemedy
normal
normal
normal
normal...

© 3M 1999 3Mª Multimedia Projector MP8740
TECHNICAL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 15 D-sub 15pin (Female)
610
15 111
2
3
4
5
643
1 25 Mini Din 6pin Computer
DATA
GND
+5V
CLK Projector
CLK
DATA
SEL0
RTS
+5V
GND
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 15 D-sub 15pin (Female)
610
15 111
2
3
421 Mini Din 4pin Computer
ADS
(POWER ON)
+5V
GND Projector
SDATA
RTS
+5V
GND
43
A.7    Connection to the Control Signal Terminal
ADB mouse
ADB port
PS/2 mouse
PS/2 port
a) Mouse emulation
(1) While the projector and...

3Mª Multimedia Projector MP8740© 3M 1999
TECHNICAL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 15 D-sub 15pin (Female)
610
15 11
Computer
CD
RD
TD
DTR
GND
DSR
RTS
DTS
RI Projector
SEL0
RTS
GND
RDP
TDP
15 D-sub 9pin 
69
1
2
3
4
5
6
7
8
9
Serial  mouse
A.7    Connection to the Control Signal Terminal  (continued)
b) RS-232 Control Cable  (not included with basic packout)
  This cable is used to directly control the projector without using the Remote Control or Operators Panel.
Serial Mouse cable(male)
A.8
1
2
3
4...

© 3M 1999 3Mª Multimedia Projector MP8740
TECHNICAL
Serial Command Codes
All numbers in this document  are in Hexadecimal.  You must send at the same communication setting
as the projector and use a null modem serial cable to connect to the projector.
There are four types of messages for the MP8740, 1) ASK, 2) REPLY,  3) SET and 4) DEFAULT.
Ask Code:
User:
20 XX
XX is the attribute you are checking.
Projector:
1Y XX Y bytes of data
This is a reply code. The Y is the number of extra bytes that come after...